i5-2500k Overclocked. Question about RAM.

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Keith Strout

Keith Strout

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Sep 8, 2013
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Hey guys, I have my cpu overclocked to 4.5ghz stable at 1.290cv.

I have 32gb of RAM (Corsair Vengeance CMZ8GX3M1A1600C10)
They're setup in my BIOS as 1600hz, 10 10 10 27, 1T, DRAM V 1.500, Auto everything else.

It's felt like that my OC'd cpu has reduced my RAM speed a smidgen. Is there any safe OC I can do to them that will boost them back up but still prevent them from damage. if so, could you please post some settings I can possibly boost them too.

using a z77x-ud5h mobo (gigabyte), if that helps anyone.
 
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4Ryan6


For you to be able to run 4.5ghz stable at 1.290v, is very good I have a test for you to try but it will seem stupid to you because it's opposite of your question in your understanding.

The 2500K CPUs memory controller was...
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Keith Strout

Keith Strout

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Sep 8, 2013
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Well I'm still learning.... but from stock, it loads my windows start up faster than it does overclocked. Not a lot but slightly noticeable.

it could just be something on my ssd doing that but i dont thinks so....only have windows op and couple mmos on it....rest on hdd
 
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P

PyjamasCat

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Mar 20, 2013
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Time both from the moment you push the on button. You may just be feeling a placebo effect.
 
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Keith Strout

Keith Strout

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Sep 8, 2013
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ok, for whatever reason my ram is set at 1600MHz but CPUID is only reading them at 800MHz..... I have XMP turned on in my bios but wheather its on or off, it still shows at 800MHz

Like I said, still a beginner....I'll upload a picture.
 
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4Ryan6

4Ryan6

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Apr 14, 2002
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For you to be able to run 4.5ghz stable at 1.290v, is very good I have a test for you to try but it will seem stupid to you because it's opposite of your question in your understanding.

The 2500K CPUs memory controller was designed to run 1066mhz or 1333mhz memory speeds which means speed wise you are overclocking the memory controller at 1600mhz.

Forget the XMP profile and try this, manually set your memory speed to 1333mhz (slower speed yes but tighter timings), test at 7,7,7,21 2T 1.5v see if it will run those timings, if not relax the timings to 8,8,8,24 keep the 2T setting for all the changes, or 9,9,9,27.

If you can run these memory settings it will lower your CPU load temperature and possibly allow you to run a higher multiplier, if you want to.

You won't be overclocking your CPU memory controller and may see a performance gain by the tighter memory timings even at lower memory speeds.



 
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toolmaker_03

toolmaker_03

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I have noticed this to be true as well the corsair memory i bought has a profile for 1600Mhz but all the timmings go up with that setting at 1333Mhz the timmings are tighter and the system seems to run more smothly at that setting than at 1600Mhz only my openion beause the benchmarks say otherwise but i do not care i run it at the 1333Mhz anyway.
 
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